565 citations · 2.9k across the 63 of their papers we have counts for
3 papers · 1 filter
Big data, big problems: Responding to "Are we there yet?"
Alex Reinhart, Ryan Tibshirani
Bradley et al. (arXiv:2106.05818v2), as part of an analysis of the performance of large-but-biased surveys during the COVID-19 pandemic, argue that the data defect correlation prov…
High-Dimensional Longitudinal Classification with the Multinomial Fused Lasso
Samrachana Adhikari, Fabrizio Lecci, James T. Becker +4
We study regularized estimation in high-dimensional longitudinal classification problems, using the lasso and fused lasso regularizers. The constructed coefficient estimates are pi…
A bias correction for the minimum error rate in cross-validation
Ryan J. Tibshirani, Robert Tibshirani
Tuning parameters in supervised learning problems are often estimated by cross-validation. The minimum value of the cross-validation error can be biased downward as an estimate of…